Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate
2007-02-20
2011-10-11
Guharay, Karabi (Department: 2889)
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
C313S583000, C313S584000, C252S30160R
Reexamination Certificate
active
08035301
ABSTRACT:
A plasma display device having a panel main body in which a pair of transparent substrates is arranged in opposition so as to form a discharge space between the substrates on at least a front side, barrier ribs are arranged on at least one of the substrates to divide the discharge space into a plurality of spaces, a group of electrodes is arranged on the substrates so as to generate discharge in the discharge space divided with the barrier ribs, and phosphor layers that emit by discharge are provided, in which the phosphor layers are equipped with a green phosphor layer including at least Zn2SiO4:Mn, a surface of Zn2SiO4:Mn is coated with magnesium oxide, and a ratio of an Mg element to a Si element on the surface measured with an XPS apparatus is 0.7 to 4.0.
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Hibino Junichi
Horikawa Keiji
Miyamae Yuichiro
Nagasaki Yoshihisa
Shigetoh Nobuyuki
Breval Elmito
Guharay Karabi
Panasonic Corporation
Wenderoth , Lind & Ponack, L.L.P.
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